Open-market buys and sells, separated from the
compensation machinery that makes up most of a Form 4 feed, with the
accession number, the retrieval time, and a link straight to the
filing on every row.
Built by a finance professor, on the open dataset behind the
peer-reviewed paper.
Balogh, A. Insider trading.
Scientific Data10, 237 (2023).
Code S is an open-market sale, made at the prevailing price
rather than under a compensation arrangement. Codes A, D, F,
M, X, and G are grants, withholding, exercises, and gifts,
which is why ebomi separates them.
"We ignore compensation grants" is the claim the whole
product rests on, so here is what that filter actually removes. These
four figures are approximate, read from
the same rows the tape
above is drawn from, not asserted alongside them.
Transactions parsed
4,290,787
Form 4 transaction lines
Issuers covered
28,597
Distinct issuer CIKs
Open-market buys and sells
4,290,787
Codes P and S, the informative trades
Compensation and admin
0
Every other Form 4 code, filtered out
Filed between 2003-06-30 and
2026-08-19. This is what the catalog holds, not the whole
of EDGAR: filings reporting only derivative activity are excluded on
purpose, which is the separation this product is for.
What ebomi does
01
Fast
Filings are read from the EDGAR feed as they are
accepted and parsed on arrival, so an alert leaves minutes after the
filing lands rather than the next morning.
Open-market buys and sells are separated from
grants, tax withholding, option exercises, and gifts before anything
is sent, and the palette itself performs that split.
Choose any two companies or insiders, and mute
the ones you stop caring about.
Nothing is chosen for you.
02
We watch EDGAR
Form 4 submissions are read from the EDGAR
archives directly, parsed, and stored with their accession number.
There is no data vendor in the middle.
Nothing you could not fetch yourself from sec.gov.
03
You get an alert
An email with a one-line read, the figures in
full, and the link to the filing, sent only for the companies you
chose.
Open-market buys and sells only.
Questions
How fast are alerts?
Minutes after Form 4 filings appear on the SEC
site. EDGAR posts filings on its own schedule and email delivery
adds its own delay, so expect minutes rather than seconds.
Which trades do you include?
Only open-market buys and sells, Form 4 codes P
and S. Compensation grants, tax withholding, option exercises, and
gifts are separated out before anything is sent.
What does it cost?
Nothing. There is no payment and no trial.
Choose any two companies and you will be emailed their open-market
buys and sells. Students, educators, and researchers can ask for
academic access, which lifts the limit.
Start with two companies
No payment, no card, and every alert links to the
filing it came from.